2-[4,4-Dimethyl-1-[2-(2-phenylethynyl)phenyl]pent-1-yn-3-yl]benzo[c]phenanthrene 在
potassium tert-butylate 作用下,
以
异丁醇 、
甲苯 为溶剂,
反应 3.0h,
以78%的产率得到13-Tert-butyl-3-phenylheptacyclo[15.12.0.02,14.04,12.05,10.020,29.023,28]nonacosa-1(17),2(14),3,5,7,9,12,15,18,20(29),21,23,25,27-tetradecaene